Home / 9,127.78-13,690.60-2,554.47

Finding the Fourth Proportional to 9,127.78, 13,690.60 and 2,554.47

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Solution

The fourth proportional to 9,127.78, 13,690.60 and 2,554.47 is: 3,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.78 : 13,690.60 = 2,554.47 : x
  2. Step 2: Convert to fraction form
    9,127.78/13,690.60 = 2,554.47/x
  3. Step 3: Cross multiply
    9,127.78x = 13,690.60 × 2,554.47
  4. Step 4: Simplify right side
    9,127.78x = 34,972,226.98
  5. Step 5: Solve for x
    x = 34,972,226.98/9,127.78
  6. Step 6: Final answer
    x = 3,831.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.